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[Bug c++/48582] [C++0x] [DR 342] Template non-type arguments doesn't accept null pointer constant value
- From: "jason at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 28 Aug 2011 15:38:33 +0000
- Subject: [Bug c++/48582] [C++0x] [DR 342] Template non-type arguments doesn't accept null pointer constant value
- Auto-submitted: auto-generated
- References: <bug-48582-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48582
--- Comment #2 from Jason Merrill <jason at gcc dot gnu.org> 2011-08-28 15:38:33 UTC ---
Author: jason
Date: Sun Aug 28 15:38:29 2011
New Revision: 178144
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178144
Log:
Core DR 342
PR c++/48582
* pt.c (check_valid_ptrmem_cst_expr): A null member pointer value
is valid in C++11.
(convert_nontype_argument): Likewise. Implicitly convert nullptr
and do constant folding.
* mangle.c (write_template_arg_literal): Mangle null member
pointer values as 0.
* call.c (null_member_pointer_value_p): New.
* cp-tree.h: Declare it.
Added:
trunk/gcc/testsuite/g++.dg/abi/mangle50.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/call.c
trunk/gcc/cp/cp-tree.h
trunk/gcc/cp/mangle.c
trunk/gcc/cp/pt.c
trunk/gcc/testsuite/ChangeLog